Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D919486 | Bicycle handlebar suspension | Calvin O. Collander | 2021-05-18 |
| 8888117 | Suspension systems and methods for bicycles | Charlie Heggem | 2014-11-18 |
| 5996764 | Arrangement for supporting rollers in a roller conveyor | — | 1999-12-07 |
| 5382038 | Shock absorber for a vehicle | James D. Allsop, David E. Calapp | 1995-01-17 |
| 5311979 | Vacuum combiner | Robert F. Risley, Gordon S. Lawless | 1994-05-17 |
| 5240268 | Bicycle | James D. Allsop, David E. Calapp | 1993-08-31 |
| D329409 | Bicycle frame | James D. Allsop, David E. Calapp | 1992-09-15 |
| D325008 | Bicycle frame | James D. Allsop | 1992-03-31 |
| D324836 | Bicycle frame | James D. Allsop | 1992-03-24 |
| 4926999 | Right angle flow-through jump transfer conveyor system | Frederick E. Fauth, Sr. | 1990-05-22 |
| 4836358 | Conveyor drive unit | Frederick E. Fauth, Sr. | 1989-06-06 |